Home / 468,278.32-646,183.28-274,725.04

Finding the Fourth Proportional to 468,278.32, 646,183.28 and 274,725.04

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Solution

The fourth proportional to 468,278.32, 646,183.28 and 274,725.04 is: 379,096.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    468,278.32 : 646,183.28 = 274,725.04 : x
  2. Step 2: Convert to fraction form
    468,278.32/646,183.28 = 274,725.04/x
  3. Step 3: Cross multiply
    468,278.32x = 646,183.28 × 274,725.04
  4. Step 4: Simplify right side
    468,278.32x = 177,522,727,445.33
  5. Step 5: Solve for x
    x = 177,522,727,445.33/468,278.32
  6. Step 6: Final answer
    x = 379,096.62

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.